$ git clone -n https://src.fedoraproject.org/rpms/joystick-support.git /var/lib/mock/f40-build-2005199-45044/root/chroot_tmpdir/scmroot/joystick-support
Cloning into '/var/lib/mock/f40-build-2005199-45044/root/chroot_tmpdir/scmroot/joystick-support'...
$ git fetch origin e6c9c5c0cff4bde5d960544f3ea8396ff8ab3aa2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/joystick-support
 * [new ref]         e6c9c5c0cff4bde5d960544f3ea8396ff8ab3aa2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6c9c5c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild